Water Sifu #10: Biological Contaminants and Disinfection
Biological Contaminants and Disinfection (click to listen in a new window) Biological contaminants of the water supply have killed millions and millions of people through the years. Today we are going to look at some of these contaminants and show how, through chlorination and disinfection, their threat has been drastically reduced. We are also going to take a look at chlorine itself, talking about some of it’s properties and dangers along with it’s fantastic disinfective properties.
16 Oct 2010
Water Sifu #3 – Water Treatment Overview
Water Sifu Episode 3 – Water Treatment Overview (click to listen in a new window) Water Treatment is the subject of this weeks episode, with an emphasis on Conventional Treatment. We will follow water from the moment it enters the plant as it travels through pre-disinfection and into the flash mixer where coagulation occurs. From there we follow it’s path through the flocculation basins, the sedimentation basin, the filter beds, and into the clear wells where it will be ready for consumption. We will also briefly discuss direct filtration and micro filtration.
19 Aug 2010
Water Sifu #18: Distribution Review – Audio Flash Cards
Distribution Review – Audio Flash Cards (click to listen in a new window) With the popularity of the last “Water Treatment” audio flash cards episode, I have had many people request I do another with an emphasis on “Water Distribution System” exam preparation. This week we will do just that….
21 Mar 2011
Water Sifu #4 – Water Distribution System Overview
Water Sifu Episode 4: Distribution System Overview (click to listen in a new window) This episode of The Water Sifu is going to talk about water distribution systems, giving you a brief overview of how the whole process works. We’re going to talk about sources of supply, and how water gets from that source to your tap. We’re also going to talk about different types of system designs, system storage, system pressure, and how water systems work in areas of different elevations. As discussed during the show, while talking about asbestos-cement mains, I have provided a link to an EPA page concerning asbestos in drinking water here.
25 Aug 2010
Most Popular Podcasts
Water Sifu #15: Water Treatment Exam Prep – Audio Flash Cards
Water Treatment Exam Prep (click to listen in a new window) I think that creating and using flash cards is an incredible tool for ingraining the knowledge when studying for your water treatment or distribution exams. A major stray from my normal show type, this week will basically be a “study guide on the go” for people testing for a Treatment Exam. Think of this weeks show as audio flash cards… which is essentially what it is.
16 Dec 2010
Water Sifu #11 – Hard and Soft Water, Iron and Manganese Problems, Nitrification
Hard / Soft Water, Iron and Manganese, Nitrification (click to listen in a new window) This week I focus on some random, undesirable, issues which may arise in the system and affect water quality… specifically hard or soft water problems, staining as a result of iron or manganese, and nitrification.
23 Oct 2010
Water Sifu #12: Government Regulations
Government Regulation of the Drinking Water Industry (click to listen in a new window) In this episode of The Water Sifu, I spend a brief time discussing issues which have gotten in my way of putting out regular weekly content, and then get into the meat of the show, which discusses government regulation of the drinking water industry. This is a must listen show for anyone studying for a state exam.
2 Nov 2010
Water Sifu #14: Passing your Water Treatment or Water Distribution Exam – The First Time
Passing your Water Treatment or Water Distribution Exam (click to listen in a new window) In this podcast I share my advice on how to best improve your chances of success on your water treatment and water distribution exams. From exam prep, to what to study, to where to find the best study materials, to how to study, and how to test, this podcast has it all. The following link will help you to best use the material on this site to prepare for your treatment or distribution exams. Unfortunately, since recording this podcast, the Minnesota Rural Water Assn has taken down their free practice exams.
3 Dec 2010
Water Sifu #23: Pumps and Motors
Pumps and Motors (click to listen in a new window) This packed full episode deals entirely with pumps and motors. Discussing pumps, we specifically focus on volute and turbine centrifugal pumps, since they are by far the most common used in the water industry. We discuss the workings of each and different types of each in detail. We also discuss parts of a pump / motor assembly, and causes of pump failure, focusing in depth on pump cavitation. This episode is a must listen for anyone taking any type of distribution system focused exam.
12 Dec 2011
Water Sifu #19: Meters and Valves
Meters and Valves (click to listen in a new window) In this episode of The Water Sifu, I spend a brief time discussing some things going on in my life, as well as upcoming episodes, and then jump into the meat of the show, discussing the types of meters and valves you will find in a distribution system. Items covered under meters include types of positive displacement meters and velocity meters. Types of valves discussed include ball, plug, diaphragm, gate, butterfly, pressure reducing, surge control, check, foot, pressure relief, altitude, air, and float.
28 Apr 2011